discharge lamp HID Arc lamp Metal halide lampMercuryvaporlamp Sulfur lamp Neon lamp List of light ... vaporlamp A sodium vaporlamp is a gas discharge lamp that uses sodium in an excited state to produce ... vapor lamps cause less light pollution than mercuryvapor lamps , many cities that have large astronomical ... design and engineering problems. Another unique property of LPS lamps is that, unlike other lamp types, they do not decline in lumen output with age. As an example, mercuryvapor HID lamps become very ... mercury. Image High Pressure Sodium Lamp Spectrum.jpg thumb right Diagram showing the spectral output ... amalgam amalgam of metallic sodium and mercury lies at the coolest part of the lamp and provides the sodium and mercuryvapor that is needed to draw an arc. The temperature of the amalgam is determined ... temperature. The higher the temperature of the amalgam, the higher will be the mercury and sodium vapor ... point. The light from the lamp consists of spectral line atomic emission lines of mercury and sodium ... vapor de s dio ru simple Sodium vaporlamp sk Sod kov v bojka sl Natrijeva ... date accessdate 2012 03 03 ref Low pressure sodium Image LPS Lamp 35W.jpg thumb An unlit 35W LPS SOX lamp Image LPS Lamp 35W running.jpg thumb A running 35W LPS SOX lamp Image SOX.png thumb Spectrum of a low pressure sodium lamp. The intense yellow band is the atomic sodium D line emission, comprising about 90 of the visible light emission for this lamp type. Low pressure sodium ... be linear SLI lamp ref cite web url http lamptech.co.uk SLI.htm title SLI H Sodium publisher Lamptech.co.uk date accessdate 2012 03 03 ref or U shaped. When the lamp is turned on it emits a dim red ... lamp shape. Also like fluorescents they do not exhibit a bright arc as do other HID lamps rather ... SON T Master 600W.jpg thumb right High pressure sodium lamp Philips SON T Master 600W File SON T Master 600W.jpg thumb right Same lamp in operation Image Spectrum hp sodium.jpg thumb right Spectrum of high ... more details
meteorological phenomena such as fog , mist and haar fog haar . Mercuryvaporlamp s and sodium vaporlamp s produce light from atoms in excited state s. Measuring vapor Since it is in the gas ... from a cup of hot tea A vapor American spelling or vapour see spelling differences is a substance ... that the vapor can be condensation condensed to a liquid or to a solid by increasing its pressure ... at ordinary temperatures, therefore, gaseous water known as water vapor will condense to liquid if its partial pressure is increased sufficiently. A vapor may co exist with a liquid or solid . When ... vapor pressure of the liquid or solid . ref Petrucci et al. p.483 ref Properties Image phase diag2.svg ... point. The vapor liquid critical point in a pressure temperature phase diagram is at the high ... behaviour of water. small Vapor refers to a gas phase at a temperature where the same substance can also exist in the liquid or solid state, below the critical temperature of the substance. If the vapor ... temperatures . A liquid or solid does not have to boil to release a vapor. Vapor is responsible for the familiar ... sample prior to gas chromatography . The constituent molecule s of a vapor possess vibrational, rotational ... liquid water can exist. Vapor pressure Main Vapor pressure File Binary Boiling Point Diagram new.svg left thumb Liquid Vapor Equilibrium The vapor pressure is the equilibrium pressure from a liquid or a solid at a specific temperature. The equilibrium vapor pressure of a liquid or solid is not affected ... is the temperature at which the vapor pressure is equal to one atmosphere unit . ref Petrucci et al. p.484 ref For two phase systems e.g., two liquid phases , the vapor pressure of the system is the sum of the vapor pressures of the two liquids. In the absence of stronger inter species attractions between like like or like unlike molecules, the vapor pressure follows Raoult s Law , which states that the partial pressure of each component is the product of the vapor pressure of the pure component ... more details
The Lamp may refer to The Lamp 1986 film The Lamp 1986 film , a 1986 horror film The Lamp 2011 film The Lamp 2011 film , a 2011 family film disambiguation ... more details
Wiktionarypar LAMPlamp TOC right Lamp or LAMP may refer to one of the following Lighting Oil lamp , the original use of the term Kerosene lamp , a lamp burning liquid petroleum Lamp electrical component , a replaceable component that produces light, such as Arc lamp Fluorescent lamp Gas discharge lamp Incandescent light bulb , also known as an incandescent lamp Lampshade , the part of a luminaire that serves to block direct view of the lamp Light fixture , or luminaire, often colloquially known as a lamp Signal lamp , a device used for visual communication between ships A fuel burning illumination or signal lantern A safety lamp or Davy lamp , an explosion proof lantern used in mining See also Category Lamps Music and film Lamp song Lamp song , 1999 Bump of Chicken single The Lamp 1986 film The Lamp 1986 film , a 1986 horror film The Lamp 2011 film The Lamp 2011 film , a 2011 family film Lamp advertisement Lamp advertisement , a 2002 television advertisement directed by Spike Jonze People with the surname Lamp Charles Lamp 1895 1972 , Australian politician Dennis Lamp born 1952 , American baseball pitcher Jeff Lamp born 1959 , American basketball player LAMP As an Acronym, LAMP may refer to Computing LAMP software bundle , a platform consisting of Linux, Apache, MySQL and Perl PHP Python Library Access to Music Project , a free music library for MIT students LAMP LAMP.MN , an application used for smartphones to find friends and search locations Science Lyman Alpha Mapping Project ... LAMP3 Lysosomal associated membrane glycoprotein 3 LAMP, a short range model output statistics system ... high school in Montgomery, Alabama LAMP Community , a Los Angeles based nonprofit organization located in Skid Row See also in title lamp , includes many other forms of lamp Lampadarius , also ... used for theater and television production disambig arc bg de Lamp io Lampo it LAMP pl Lampa pt L mpada ru sk LAMP fi Lamppu sr sv LAMP olika betydelser ta ... more details
File Vapour barrier.JPG thumb right 200px 6 mil Polyethylene plastic sheet as vapor barrier between insulation ... Penetration firestop opening will be firestop ped. In this manner, the vapor barrier in this case ... on the outside can remain intact as it penetrates the fire barrier. A vapor barrier or vapour barrier ... . Technically, many of these materials are only vapor retarders as they have varying degrees of Permeation permeability . Materials have a moisture vapor transmission rate that is established by standard ... in perm unit perm s, a measure of the rate of transfer of water vapor through a material 1.0 US perm 1.0 grain square foot hour inch of mercury 57 SI perm 57 ng s m sup 2 sup Pa . American building codes have classified vapor retarders as having a water vapor permeance ... cite book last Teed first Certain title Smart Vapor Retarders year 2006 publisher Certain Teed Corporation pages 2 ref Vapor retarding materials are generally categorized as impermeable 1 US perm, or 57 SI perm Materials as asphalt backed kraft paper, vapor retarding paint, oil based ... polymer based exterior air barrier films . Materials Vapor diffusion retarders are normally available ... includes thicker sheet materials named as structural Vapor diffusion retarders. The vapor diffusion ... even combined the functions of other building materials. Materials used as vapor retarders Aluminium ... Polyethylene vapor retarders that pass the ASTM E 1745 standard tests 0.3 US perm ... batts, 0.40 US perm 22 SI perm . Metallised film Metallized film Vapor retarder .... Glass and metal sheets such as in doors and windows . File Vapor barrier replace.jpg thumb upright 0.90 alt vapor barrier location by geographical location. Vapor barrier location by geographical location Building construction Moisture or water vapor moves into building cavities in three ways 1 ... accounts for more than 98 of all water vapor movement in building cavities. ref cite web last US ... more details
The Mercury may refer to The Mercury Hobart The Mercury Hobart , a newspaper in Hobart, Australia The Mercury South Africa The Mercury South Africa , a newspaper in KwaZulu Natal, South Africa The Mercury Pennsylvania The Mercury Pennsylvania , a newspaper in Pennsylvania, United States The Portland Mercury , an alternative newspaper in Portland, Oregon The American Mercury , a magazine founded in 1924 by H. L. Mencken and George Jean Nathan The Mercure de France , a French gazette and literary magazine first published in 1672 The Mercury, a local newspaper formerly published on a Saturday by the Scarborough Evening News The Filey & Hunmanby Mercury, a local newspaper The Malton, North Yorkshire Malton & Pickering, North Yorkshire Pickering Mercury, a local newspaper, formerly known as the Ryedale Mercury disambig fi The Mercury ... more details
Wiktionary Mercurymercury TOCRight Mercury commonly refers to Mercury planet , the planet nearest to the Sun in the Solar System Mercury element , the metal and chemical element Mercury mythology , a Roman god Mercury may also refer to Geography Mercury Bay , a bay on the eastern coast of the North Island of New Zealand Mercury Islands , a small group of islands off the northeast coast of New Zealand Mercury Boulevard , in the cities of Hampton and Newport News, Virginia, United States Populated places Mercury, Alabama , United States Mercury, Nevada , United States Mercury, Texas , United States Mercury, Savoie , France Transportation Mercury automobile , a brand of automobiles produced by the Ford Motor Company Mercury cyclecar , a cyclecar made in 1914 Mercury train , a set of streamliner passenger trains run by the New York Central Railroad during 1936 1958 Bristol Mercury , a former nine cylinder airplane engine Blackburn Mercury , British airplane made in 1911 E 6 Mercury , a United States military aircraft Miles Mercury , a British aircraft designed during the Second World War MV Celebrity Mercury MV Celebrity Mercury , a cruise ship built in 1997 Project Mercury , the first human spaceflight program of the United States HMS Mercury HMS Mercury , the name of several ships of the Royal Navy USS Mercury USS Mercury , the name of several ships of the United States Navy Mercury brig , a Russian warship Mercury Marine , a manufacturer of marine internal combustion engines Mercury, callsign for Shuttle America , a regional airline in the U.S. Music Mercury Longview album Mercury Longview album Mercury American Music Club album Mercury American Music Club album Mercury Madder Mortem album Mercury Madder Mortem album Mercury song Mercury song , a song by Bloc Party Mercury Records , a record label Mercury Prize , an annual music prize awarded for the best album from the United Kingdom Mercury , a song by Kathleen Edwards from Failer Mercury , a song by Counting Crows ... more details
combinations of brightness to be obtained. The result is that one lamp can provide a very soft, diffuse ... Way Lamp is somewhat deceiving since there are in fact 16 possible combinations without the night light ... that the design incorporates two three way switches. See also Floor lamp Artificial light sources DEFAULTSORT Mogul Lamp Category Light fixtures design stub ... more details
A vapor is a substance in the gas phase below its boiling point. Vapor may also refer to Vapor novel Vapor novel , a novel by Amanda Filipacchi Vaporware , a term as used in the computer industry Vapor G.I. Joe , a fictional villain in the G.I. Joe universe, member of Cobra Vapor Marvel Comics , the Marvel comics character the Rush band album Vapor Trails VAPOR software , a visualization tool used in geosciences See also Vapor Trail disambiguation disambig da Damp es Vapor fr Vapeur ... more details
Otheruses2 UHP The UHP , or Ultra High Performance, Mercuryvaporlampmercury arc lamp was developed by Philips in 1995 for use in commercial projection systems, home theatre projectors, MD PTVs and video walls. Unlike other common mercuryvapor lamps used in projection systems, it is not a metal halide lamp , but uses only mercury. Philips claims a lifetime of over 10,000 hours for the lamps. These lamps are highly efficient compared to other projection lamps A single 132 watt UHP lamp is used by Digital Light Processing DLP manufacturers such as Samsung and RCA to power their DLP rear projection TV lines. Manufacturers of high pressure discharge lamps UHP or similar include Iwasaki HSCR Osram Sylvania P VIP Panasonic, Matsushita HS Philips UHP Phoenix SHP Ushio NSH Devices using UHP lamps Samsung Digital Light Processing DLP rear projection TV sets. Sony LCD rear projection TV sets. Most Digital Projectors Manufactured post 2001 except LED projectors Olympus Corporation Olympus ILP 2 High Intensity Light Source Mitsubishi Digital Light Processing DLP Projection Televisions Barco NV Barco Sim7 series LCoS simulation projectors References cite journal author Guenther Derra et al. title UHP lamp systems for projection applications journal J. Phys. D Appl. Phys. year 2005 volume 38 issue 17 pages 2995 3010 doi 10.1088 0022 3727 38 17 R01 cite journal author Pavel Pekarski et al. title UHP Lamps for Projection Systems journal International Conference on Phenomena in Ionized Gases year 2003 issue Philips Research Laboratories, Weisshausstr.2, D 52066 Aachen, Germany External links http www.philips.com dpl Philips, UHP lamp manufacturer. http www.fixyourdlp.com DLP information site, FixYourDLP.com. http www.dlp.com Texas Instruments DLP website. http store.philips.com store rpeusb2c en US DisplayCategoryProductListPage parentCategoryID.30002100 categoryID.30009500?resid ThMaCQoHAtcAAGRFz2QAAAAm ... to educate people on the importance of buying and using an ORIGINAL lamp Category Gas discharge lamps ... more details
of visible light due to other mercury radiation bands. An older design looks like an incandescent lamp but with the envelope containing a few droplets of mercury. In this design, the incandescent filament heats the mercury, producing a vapor which eventually allows an arc to be struck, short circuit ...Unreferenced date December 2009 Image Germicidal Lamp 1.jpg thumb right A 9W germicidal lamp in a modern compact fluorescent lamp form factor Image Germicidal UV discharge tube glow.jpg thumb upright right Glow of a germicidal lamp excited by a high voltage probe. Image Germicidal Lamp 2.jpg thumb upright right Close up of the electrodes and the safety warning A germicidal lamp is a special type of lamp ... Medium pressure lamps Low pressure lamps Low pressure lamps are very similar to a fluorescent lamp , with a wavelength of 253.7 nm. The most common form of germicidal lamp looks similar to an ordinary fluorescent lamp but the tube contains no fluorescent phosphor . In addition, rather than being ... to allow the 253.7 nm ultraviolet light produced by the Mercury element mercury arc to pass out of the lamp unmodified whereas, in common fluorescent lamps, it causes the phosphor to Fluorescence ... to HID lamp s than fluorescent lamps. These lamps radiate a broad band UV C radiation, rather than ... to regulate the current flow through them. The older lamps that resembled an incandescent lamp were often operated in series with an ordinary 40 W incandescent appliance lamp the incandescent lamp acted as the ballast for the germicidal lamp. Uses Further2 Ultraviolet Germicidal Irradiation .... In this application, the light produced by the lamp is usually Filter optics filtered ... effect of lamp operation. To prevent this, most germicidal lamps are treated to absorb the 185 nm mercury emission line which is the longest wavelength of mercury light which will ionize oxygen . In some ..., the light produced by a germicidal lamp must be carefully shielded against both direct viewing and reflections ... more details
Vapor deposition can refer to Chemical vapor deposition Physical vapor deposition disambig Long comment to avoid being listed on short pages ... more details
curing lamp with a bulb filled with argon and mercuryvapor developed by http www.fusionuv.com Fusion ... lighting applications such as mercuryvaporlamp , sodium vaporlamp and metal halide lamp Environmentally ... vapour, these lamps are very similar to conventional fluorescent lamp s. Mercury vapour in the discharge ...An electrodeless lamp or induction light is a light source in which the power required to generate light is transferred from outside the lamp envelope to inside via electromagnetic field s, in contrast with a typical electrical lamp that uses electrical connections through the lamp envelope to transfer power. There are three advantages of eliminating electrodes Extended lamp life, because the electrodes are usually the limiting factor in lamp life. The ability to use light generating substances of higher ... fluorescent lamp phosphor s. History Nikola Tesla demonstrated wired and wireless transfer of power ..., my system is more important than the incandescent lamp, which is but one of the known electric illuminating ... by the electrodeless vacuum tube which I brought out thirty eight years ago, a lamp much more ... Lamp & Ballast.png thumb Example of a round 150W Magnetic Induction lamp In 1967 and 1968, John Anderson ... origdoc?DB EPODOC&IDX US3521120&F 0&QPN US3521120 High frequency electrodeless fluorescent lamp ... one in 1992, called the E lamp . Operating at 13.6 MHz, it was to be available on the US market ... lamp . With support from the United States Department of Energy , it was further developed in 1994 ... and printing industries. Since 1994, General Electric has produced its induction lamp ... assignments q?db pat&reel 022562&frame 0386 Microwave Energized Plasma Lamp with Solid Dielectric ... prod 0?number EP01957305&tab main Plasma Lamp with Dielectric Waveguide ref In 2006 Luxim introduced a projector lamp product trade named LIFI . The company further extended ... Ceravision Limited introduced the first High Efficiency Plasma HEP lamp under the trade name Alvara ... more details
. This was the mercuryvaporlamp , invented by Peter Cooper Hewitt and patented in 1901 patent US 682692 ... current was passed through mercuryvapor at a low pressure. Unlike Moore s lamps, Hewitt s were manufactured in standardized sizes and operated at low voltages . The mercuryvaporlamp was superior ... importance was the mercuryvaporlamp invented by K ch in Germany . This lamp used quartz in place ... by a low pressure mercuryvapor discharge identical to that in a fluorescent lamp in an uncoated fused ... of the bulb wall and its effect on the partial pressure of mercuryvapor within the lamp. ref name Kane2001 page 182 and following ref Each lamp contains a small amount of mercury, which must vaporize to support the lamp current and generate light. At low temperatures the mercury is in the form of dispersed liquid droplets. As the lamp warms, more of the mercury is in vapor form. At higher temperatures, self absorption in the vapor reduces the yield of UV and visible light. Since mercury ... to Excited state excite mercury element mercuryvapor . The excited mercury atoms produce short .... Mercuryvapor lamps continued to be developed at a slow pace, especially in Europe, and by the early ... vapor lamps also anticipated the fluorescent lamp in their incorporation of a ballast to maintain a constant current. Cooper Hewitt had not been the first to use mercuryvapor for illumination, as earlier ... was the invention in 1927 of a low voltage metal vaporlamp by Friedrich Meyer, Hans Joachim ... of both argon and mercuryvapor, colors of fluorescent powders, methods of attaching them to the inside ... been filed in 1927 for the aforementioned metal vaporlamp invented in Germany by Meyer, Spanner, and Germer .... ref ref patent country US number 2182732 status patent title Metal VaporLamp gdate 1939 12 05 ... with a gas containing low pressure mercuryvapor and argon , xenon , neon , or krypton . The pressure ... 22&f false doi id isbn 0 07 014100 2 The partial pressure of the mercuryvapor alone is about 0.8 ... more details
the lamps and limit the flow of current. The plasma of excited mercury atoms inside the lamp emits ... lamp recycling recycling will prevent the small mercury content of the lamps from entering the environment ...Image Tanninglamp.jpg thumbnail 280px Typical tanning lamp with F71T12 markings. This example is a 71 ..., bi pin tanning lamp File Ultraviolet tanning bed lamp running.JPG thumb right 250px A high pressure tanning lamp under power Tanning lamps sometimes called tanning bulbs in the United States or tanning ... the lamp. Fluorescent tanning lamps require an electrical ballast to provide power. While the resistance of an incandescent lamp filament inherently limits the Electric current current inside the lamp ... Lamp A plasma you can use. ref Thus a ballast is needed to regulate the current through them ... hpbulb.jpg thumbnail left 280px Typical high pressure bulb. Note the small specks, which are mercury ... only. Unfiltered light from a high pressure lamp is rich in UVC used in germicidal lamps, for water purification, but it damages human skin. The contents of a high pressure lamp are inert gas such as argon and mercury element mercury . ref http www.newmoa.org prevention mercury lamprecycle identify lamps.cfm Identifying Lamps That Contain Mercury ref There are no phosphors used, and the mercury is clearly ... touched during installation. Because the bulb contains mercury, great care should be used if a bulb is broken, to prevent accidental contact or vapor exposure. Low pressure lamps unreferenced section ... equipment and lamp technology. Called the father of indoor tanning, Wolff brought his European ... and the United States. Low pressure lamps resemble the common fluorescent lamp used in offices ... section refers to the diameter of the lamp in 1 8 inch increments, making a T12 lamp 1.5 ... bi pin ends, which all F71 lamps have. Lamps with the RDC code have Recessed Dual Connector lamp ends ... piece that fits over the two bi pins and allows the lamps to be installed in telescopic lamp ends ... more details
Image Vapor Recovery Device.JPG thumb right Gas nozzle with vapor recovery Vapor or vapour recovery is the process of wikt recovery recovering the vapor s of gasoline or other fuel s, so that they do not escape into the atmosphere . This is often done or required by law at filling station s, in order to reduce noxious and potentially explosive fumes and pollution . The negative pressure created in the underground tank by the withdrawal is usually used to pull in the vapors. They are drawn in through holes in the side of the nozzle and travel through special hose tubing hose s which have a return path. State requirements Illinois http www.epa.state.il.us air stage ii vapor recovery.html Other industries Vapor recovery is also used in the chemical process industry to remove and recover vapors from storage tanks. The vapors are usually either environmentally hazardous, or valuable to be recovered. The process consists of a closed venting system from the storage tank ullage space to a vapor recovery unit VRU which will recover the vapors for return to the process or destroy them, usually by oxidation. Vapor recovery units are also becoming commonly used in the oil and gas industry as a means of recovering natural gas vapor and making it a usable and profitable product. Specifically a newer form of vapor recovery technology, Ejector Vapor Recovery Units create a closed loop system which not only recovers valuable vapor, but also reduces methane and VOC emissions. ref cite url http commengineering.com vapor recovery.html author Comm Engineering publisher Comm Engineering ref See also Automobile emissions control Onboard refueling vapor recovery References reflist DEFAULTSORT Vapor Recovery Category Gases ca Recuperaci de vapors de Gasr ckf hrung es Recuperaci n del vapor ... more details
Unreferenced date December 2009 Orphan date February 2009 Vapor polishing is a method of polishing plastics to reduce the surface roughness or improve clarity. Typically, a component is exposed to a chemical vapor causing the surface to flow thereby improving the surface finish. This method of polishing is frequently used to return clear materials to an optical quality finish after machining . Vapor polishing works well in the internal features of components. Feature size changes of the plastic component generally do not occur. Post stress relieving is usually required as vapor polishing sets up surface stresses that can cause crazing. Plastics that respond well to vapor polishing are polycarbonate , Polymethyl methacrylate acrylic , polysulfone , ultem PEI , and Acrylonitrile butadiene styrene ABS . DEFAULTSORT Vapor Polishing Category Materials science ... more details
Vapor pressure or equilibrium vapor pressure is the pressure exerted by a vapor in thermodynamic equilibrium .... The equilibrium vapor pressure is an indication of a liquid s evaporation rate. It relates to the tendency of particles to escape from the liquid or a solid . A substance with a high vapor pressure at normal temperatures is often referred to as volatility chemistry volatile . The vapor pressure ... at which the vapor pressure equals the ambient atmospheric pressure. With any incremental increase in that temperature, the vapor pressure becomes sufficient to overcome atmospheric pressure and lift the liquid to form vapor bubbles inside the bulk of the substance. liquid bubble Bubble ... the fluid pressure increases above the atmospheric pressure as the depth increases. The vapor pressure ... partial pressure . For example, air at sea level, saturated with water vapor at 20 C has a partial ... . Measurement and units Vapor pressure is measured in the standard units of pressure . The International ... of vapor pressure is a simple procedure for common pressures between 1 and 200 kPa. ref cite web url http www.capec.kt.dtu.dk documents overview Vapor pressure Ruzicka.pdf title Vapor Pressure ... when care is taken to ensure that the entire substance and its vapor are at the prescribed temperature ... bath. Relation to boiling point of liquids Image Vapor Pressure Chart.png thumb right 301 px A typical vapor pressure chart for various liquids As a general trend, vapor pressures of liquids at ambient temperatures increase with decreasing boiling points. This is illustrated in the vapor pressure chart see right that shows graphs of the vapor pressures versus temperatures for a variety of liquids ... given temperature, methyl chloride has the highest vapor pressure of any of the liquids in the chart. It also has the lowest normal boiling point 24.2 C , which is where the vapor pressure curve of methyl ... unit atm of absolute vapor pressure. Although the relation between vapor pressure and temperature is non ... more details
distinguish Plasma globe Plasma lamps are a type of electrodeless lamp energized by radio frequency RF power. They are distinct from the novelty plasma lamp s that were popular in the 1980s. The electrode less lamp was invented by Nikola Tesla after his experimentation with high frequency electric current .... The first practical plasma lamps were the sulfur lamp s manufactured by Fusion Lighting. This lamp ... of these gases and additional materials such as metal halide s, sodium , mercury element mercury ... radiation, depending on the fill materials. The first commercial plasma lamp was an ultraviolet curing chemistry curing lamp with a bulb filled with argon and mercuryvapor developed by http www.fusionuv.com Fusion UV . That lamp led Fusion Lighting to the development of the sulfur lamp ... time, permitted an extremely compact yet bright electrode less lamp. The invention has been ... assignments q?db pat&reel 022562&frame 0386 MICROWAVE ENERGIZED PLASMA LAMP WITH SOLID DIELECTRIC ... prod 0?number EP01957305&tab main PLASMA LAMP WITH DIELECTRIC WAVEGUIDE ... discharge lamp fill materials which removed the need to spin the bulb. The only issue with the ceramic ... by the product of luminaire efficiency EFF times total rated lamp output in lumens TLL times ... for a High Efficiency Plasma lamp is given by the last three variables, that is, it excludes the luminaire ... lamps have typical luminaire efficiencies of 55 , and fluorescent lamp s of 70 . Plasma lamps ... s LIFI, or light fidelity lamp, claims 120 lumens per RF watt i.e., before taking into account ... powered by radio waves date August 23, 2007 publisher cnet ref The lamp is used by http straylightoptical.com Stray Light Optical Technologies in their commercial lighting fixtures. The lamp has been ... has introduced a combined lamp and luminaire under the trade name Alvara for use in high bay and street ... and to have created the first HEP lamp. Ceravision uses a magnetron to generate the required RF power ... more details
Unreferenced date July 2007 Vapor lock is a problem that mostly affects petrol gasoline fueled internal ..., the use of winter fuels during the summer can cause vapor lock to occur more readily. Causes and incidence Vapor lock was far more common in older gasoline fuel systems incorporating a low ... pressure from the feed line, increasing the risk of a vapor lock developing between the tank and pump. A vapor lock being drawn into the fuel pump could disrupt the fuel pressure long enough for the float ... vapor being delivered to the float chamber. Most designs incorporate a pressure balance duct linking ... can handle vapor locks effectively, fuel vapor entering the float bowl has to be vented. If this is done ... fuel delivery systems allow fuel vapor to be returned to the fuel tank to be condensed back to the liquid phase, or using an active carbon filled canister where fuel vapor is absorbed. This is usually implemented by removing fuel vapor from the fuel line near the engine rather than from the float bowl ... in the fuel tank. Moving the fuel pump to the interior of the tank helps prevent vapor lock, since ... in the engine compartment. This is the primary reason that vapor lock is rare in modern ... fuel pump near the fuel tank. A vapor lock is more likely to develop when the vehicle is in traffic because the under hood temperature tends to rise. A vapor lock can also develop when the engine ... does not move and can thus heat up sufficiently to form a vapor lock. The problem is more likely in hot weather or high altitude in either case. Gravity feed fuel systems are not immune to vapor lock. Much of the foregoing applies equally to a gravity feed system if vapor forms in the fuel line ... normally moves fuel from the tank to the carburetor, so fuel supply will be disrupted until the vapor ... or by allowing the vapor to cool and re condense. Vapor lock has been the cause of forced landings in aircraft. That is why aviation fuel is manufactured to far lower vapor pressure than automotive gasoline ... more details
Vapor intrusion VI is a process by which chemicals in soil or groundwater migrate to http enviroforensics.com vapor intrusion and indoor air sampling expensive testing e2 80 93 make sure it e2 80 99s done correctly more 1034 indoor air above a contaminated site. http enviroforensics.com vapor intrusion what is it and how can it effect me more 629 Vapor Intrusion ref name name Henshaw, Stephen. Vapor Intrusion What is it and How Can it Affect Me? Western Cleaner & Launderer, November 2008. ref is an http enviroforensics.com vapor intrusion is on the rise more 587 emerging concept ref name name Henshaw, Stephen. Vapor Intrusion is on the Rise Western Cleanerer & Launderer, July 2009. ref , the United States Environmental Protection Agency having only issued a draft guidance on the subject in 2002. ref cite web url http www.epa.gov correctiveaction eis vapor.htm title OSWER Draft Guidance for Evaluating the Vapor Intrusion to Indoor Air Pathway from Groundwater and Soils Subsurface Vapor Intrusion Guidance publisher United States Environmental Protection Agency Environmental Protection Agency date 2002 11 29 ref On March 3, 2008, ASTM International released the Standard Practice for the Assessment of Vapor Intrusion into Structures on Property Involved in Real Estate Transactions, ASTM E 2600 08 . ref cite web url http www.astm.org Standards E2600.htm title ASTM E2600 08 Standard Practice for Assessment of Vapor Intrusion into Structures on Property Involved in Real Estate Transactions publisher ASTM International ref In the United States, http enviroforensics.com vapor intrusion who e2 80 99s default is it more 1196 vapor intrusion ref name name Carnahan, Jeffrey and Stephen Henshaw. Vapor Intrusion Who s DEFAULT is it? Cleaner & Launderer, March 2011. ref is handled in individual states in different ways. One of the most scrupulous guidance documents on vapor intrusion ... investigations soil gas svi guidance Guidance for Evaluating Soil Vapor Intrusion in the State of New ... more details
Unreferenced stub auto yes date December 2009 Image Vap Liq Separator.png thumb right 246px A typical, large scale, vapor liquid separator as used in Oil refinery oil refineries , petrochemical and chemical plant s A demister , is a device often fitted to vapor liquid separator vessels to enhance the removal of liquid droplets Entrainment engineering entrained in a vapor stream. Demisters may be a mesh type coalescer , vane pack or other structure intended to aggregate the mist into droplets that are heavy enough to separate from the vapor stream. Demisters can reduce the residence time required to separate a given liquid droplet size thereby reducing the volume and associated cost of separator equipment. Demisters are often used where vapor quality is important in regard to entrained liquids particularly where separator equipment costs are high e.g., high pressure systems or where space or weight savings are advantageous. For example, in the process of brine water desalination desalination on marine vessels, brine is flash evaporation flash heated into vapor . In flashing, vapor carries over droplets of brine which have to be separated before condensing, otherwise the distillate vapor would be contaminated with salt . This is the role of the demister. Demisted vapor condenses on tubes in the desalination plant, and product water is collected in the distillate tray. See also Souders Brown equation CWMS Separator Vane type separator Vessel Internals Gas Processors Suppliers Association GPSA DEFAULTSORT Demister Vapor Category Chemical engineering Category Mechanical engineering Category Separation processes Category Water treatment Mech engineering stub de Tropfenabscheider es Desnebulizador it Demister ru ... more details
Unreferenced date December 2009 The mercury laser is a high average power laser system being developed as a prototype for systems to drive inertial confinement fusion . Like the National Ignition Facility , it is intended to produce narrow pulses of extremely high power, using laser diode diode pumped solid state laser s. Unlike the NIF system, the mercury laser aims to achieve a high repetition rate its goals are 10 pulses per second, each delivering 100 J with a 10 efficient conversion of electricity to laser light. The active gain medium is Yb SFAP Ytterbium doped Sr sub 5 sub PO sub 4 sub sub 3 sub , which is cooled by fast flowing helium to allow high repetition rates. Infrared light at 900 nm from 8 arrays of laser diode s Optical pumping pumps the laser. See also Mercuryvaporlamp , a gas discharge lamp that uses the element mercury in an excited state to produce light DEFAULTSORT Mercury Laser Category Inertial confinement fusion research lasers ... more details
vapor has q 0. ref Perry s Chemical Engineers Handbook 7th Edition , p 13 29 ref Calculation The above expression for vapor quality can be expressed as math chi frac y y f y fg math , where ... is math chi frac v m l m v m math where math v m math is the vapor mass and math l m math is the liquid mass. Steam quality The genesis of the idea of vapor quality was derived from the origins of thermodynamics ... 2010 . High quality steam would not corrode the steam engine. Steam engine s use water vapor steam ... of water liquid state . References references DEFAULTSORT Vapor Quality Category Water Category Liquid water Category Water in gas Category Steam power ca T tol de vapor es T tulo de vapor fa ... more details
background FFFFFF border collapse collapse border color AAAAAA chembox header Water vapor H sub 2 sub O colspan 2 align center File St Johns Fog.jpg 250 px br Water vapor condensed in clouds Systematic name Water vapor Liquid State Properties of water water Solid state ice chembox header Properties ... kg K Water vapor or water vapour see American and British English spelling differences our.2C or spelling differences , also aqueous vapor , is the gas phase of water molecule water . It is one Phase matter state of water within the hydrosphere . Water vapor can be produced from the evaporation or boiling ... atmospheric conditions, water vapor is continuously generated by evaporation and removed by condensation . It is lighter than air and triggers convection currents that can lead to clouds. Water vapor ... of water vapor Evaporation and sublimation Whenever a water molecule leaves a surface and diffuses ... which transitions between a more associated liquid and a less associated vapor gas state does so ... of the water molecules. Liquid water that becomes water vapor takes a parcel of heat with it, in a process ... Longman. p36 ref The amount of water vapor in the air determines how fast each molecule will return ... of water vapor in the air. The vapor content of air is measured with devices known as hygrometer ... . The temperatures of the atmosphere and the water surface determine the equilibrium vapor pressure 100 relative humidity occurs when the partial pressure of water vapor is equal to the equilibrium vapor ... gram per cubic metre in dry air to 30 grams per cubic metre 0.03 ounce per cubic foot when the vapor ... Image Above the Clouds.jpg thumb right 200px Clouds, formed by condensed water vapor. Water vapor will only condense onto another surface when that surface is cooler than the dew point temperature, or when the saturation vapor pressure water vapor equilibrium in air has been exceeded. When water vapor condenses onto a surface, a net warming occurs on that surface. The water molecule brings ... more details
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